84 reactions · 16 shares | Sad and surprising celebrity diagnoses and concerning disease outbreaks were among the reasons you turned to WebMD for information this year. Here are the most-searched topics in 2015. | WebMD | Facebook

12K views · 42 reactions | Should you try a sensory deprivation tank to help you relax? What you should know: | WebMD | Facebook

3.3K views · 43 reactions | Most experts say that the best, safest way to reach herd immunity is through a vaccine, and a more controversial way is through natural infection. WebMD Chief Medical Officer Dr. John Whyte explains how many Americans would have to be infected with, and recover from, COVID-19 for the U.S. to reach it: | WebMD | Facebook

92 reactions · 42 shares | Even after you're fully vaccinated, should you still wear a mask and practice other COVID precautions? WebMD Chief Medical Officer Dr. John Whyte weighs in. | WebMD | Facebook